Child safety seat

Abstract

The utility model discloses a child safety seat which is good in strength and convenient to install. According to the technical scheme, the chair comprises a base, a seat cushion arranged on the base, a backrest integrally formed at the upper end of the seat cushion and a headrest arranged at the upper end of the backrest, arc-shaped rails are arranged on the two sides of the base, arc-shaped sliding grooves are formed in the two ends of each arc-shaped rail, a mounting bottom plate is integrally formed at the lower end of each arc-shaped rail in a bent mode, and the headrest is arranged on the mounting bottom plate. Connecting rods in sliding fit with the arc-shaped sliding grooves are arranged at the two ends of the cushion, and a locking mechanism is arranged between the front end of the cushion and the arc-shaped rail.

Description

Technical Field

[0001] The utility model belongs to the field of child safety seats, and particularly relates to a child safety seat. Background Art

[0002] A child safety seat is a seat installed in a vehicle that can effectively improve the safety of children when riding. Its structure includes: a base, a seat cushion provided on the base, a backrest integrally formed at the upper end of the seat cushion, and a headrest provided at the upper end of the backrest. To enable the positions of the seat cushion and the backrest to be adjustable, adjustable brackets are usually provided between the base and the seat cushion and the backrest. The problems with traditional adjustable brackets are: poor strength, difficult to adjust, and troublesome to install. Summary of the Utility Model

[0003] The technical problem to be solved by the utility model is to provide a child safety seat with good strength and convenient installation.

[0004] To solve the above problems, the technical solution adopted by the utility model includes: a base, a seat cushion provided on the base, a backrest integrally formed at the upper end of the seat cushion, and a headrest provided at the upper end of the backrest. It is characterized in that: arc-shaped tracks are provided on both sides of the base, arc-shaped chutes are provided at both ends of the arc-shaped tracks, and an installation base plate is integrally bent and formed at the lower end. Connecting rods that are slidably matched with the arc-shaped chutes are provided at both ends of the seat cushion, and a locking mechanism is provided corresponding to the space between the arc-shaped tracks at the front end of the seat cushion; the locking mechanism includes a lock housing, a lock core slidably arranged in the lock housing, and lock pins telescopically arranged on both sides of the front end of the lock housing. An eight-shaped groove is provided at the front end of the lock core, a positioning pin slidably matched with the eight-shaped groove is provided on the lock pin, and a return spring is provided between the lock core and the lock housing; a set of lock holes matched with the lock pins are provided at the front end of the arc-shaped track.

[0005] The child safety seat is characterized in that: a set of connection holes are provided at the rear end of the arc-shaped track, and bolts are connected to the connection holes.

[0006] The child safety seat is characterized in that: a connecting rod installation hole is provided on the lock housing, and after the connecting rod passes through the connecting rod installation hole, both ends are connected to the seat cushion.

[0007] The child safety seat is characterized in that: a sheath is provided on the arc-shaped chute.

[0008] The child safety seat is characterized in that: a handle is provided at the front end of the lock core.

[0009] The child safety seat is characterized in that: reinforcing ribs are provided at the rear end of the arc-shaped track.

[0010] The child safety seat is characterized in that: the cross-section of the installation base plate is C-shaped.

[0011] The described child safety seat is characterized in that: an opening groove is provided on the back of the backrest, and both ends of the connecting rod are installed in the opening groove.

[0012] The described child safety seat is characterized in that: a lock pin sliding groove cooperating with the lock pin is provided on the lock shell.

[0013] The described child safety seat is characterized in that: reinforcing beams are provided on both sides of the seat cushion and the backrest.

[0014] The advantages of the child safety seat of the present utility model are as follows: the arc-shaped track with an integrated structure design has the advantages of convenient installation and good strength, and in combination with the locking mechanism, the position adjustment of the seat cushion and the backrest is more convenient.

[0015] The present utility model will be further described below with reference to the accompanying drawings of the specification. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is a schematic structural view of the child safety seat of the present utility model;

[0017] Figure 2 is an exploded view of the child safety seat of the present utility model;

[0018] Figure 3 is an installation schematic view of the arc-shaped track and the locking mechanism of the present utility model;

[0019] Figure 4 is a schematic structural view of the reinforcing beam of the present utility model;

[0020] Figure 5 is a front structural schematic view of the locking mechanism of the present utility model;

[0021] Figure 6 is a back structural schematic view of the locking mechanism of the present utility model;

[0022] Figure 7 is an exploded view of the locking mechanism of the present utility model. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0023] Refer to Figures 1-7As shown in the figure, the child safety seat of the present utility model includes a base 1, a seat cushion 2 provided on the base 1, a backrest 3 integrally formed at the upper end of the seat cushion 2, and a headrest 4 provided at the upper end of the backrest 3. Arc-shaped tracks 5 are provided on both sides of the base 1, arc-shaped chutes 6 are provided at both ends of the arc-shaped tracks 5, and an installation base plate 7 is integrally bent and formed at the lower end of the arc-shaped tracks 5. The installation base plate 7 is connected to the base 1 and fixed by screws. Connecting rods 8 that are slidably matched with the arc-shaped chutes 6 are provided at both ends of the seat cushion 2, and the two ends of the connecting rods 8 and the seat cushion 2 can be connected by closed holes or open holes.

[0024] A locking mechanism 9 is provided at the front end of the seat cushion 2 corresponding to the arc-shaped tracks 5. The locking mechanism 9 includes a lock case 10, a lock core 11 slidably arranged in the lock case 10, and lock pins 12 telescopically arranged on both sides of the front end of the lock case 10. The lock case 10 is usually also made of a metal stamping part and fixed to the front end of the seat cushion 2 by screws to ensure strength. An eight-shaped groove 13 is provided at the front end of the lock core 11, a positioning pin 14 slidably matched with the eight-shaped groove 13 is provided on the lock pin 12, and a return spring 15 is provided between the lock core 11 and the lock case 10. A group of lock holes 16 matched with the lock pins 12 are provided at the front end of the arc-shaped track 5. By pulling the lock core 11, the telescopic movement of the lock pins 12 is driven, and thus locking or unlocking with the lock holes 16 is achieved. After unlocking, the positions of the seat cushion and the backrest can be adjusted.

[0025] Preferably, a group of connection holes 17 are provided at the rear end of the arc-shaped track 5, and bolts 18 are connected to the connection holes 17. Through the connection of the bolts 18, the connection stability between the two arc-shaped tracks 5 is improved.

[0026] Preferably, a connecting rod installation hole 19 is provided on the lock case 10, and the connecting rod 8 passes through the connecting rod installation hole 19 and is connected to the seat cushion 2 at both ends, so as to facilitate the installation and fixation of the connecting rod 8.

[0027] Preferably, a sheath 20 is provided on the arc-shaped chute 6. The sheath 20 is usually made of plastic to protect the arc-shaped chute 6 and the connecting rod 8 during use.

[0028] Preferably, a grip 21 is provided at the front end of the lock core 11 to facilitate the user's grasping.

[0029] Preferably, a reinforcing rib 22 is provided at the rear end of the arc-shaped track 5 to further improve the strength of the arc-shaped track 5.

[0030] Preferably, the cross-section of the installation base plate 7 is C-shaped to further improve the strength of the installation base plate 7.

[0031] Preferably, an opening groove 23 is provided on the back surface of the backrest 3, and both ends of the connecting rod 8 are installed in the opening groove 23 to facilitate the installation of the connecting rod 8. After installation, it is covered by a guard plate 26 to ensure aesthetics and safety.

[0032] Preferably, a locking pin sliding groove 24 that cooperates with the locking pin 12 is provided on the lock case 10 to further improve the sliding stability of the locking pin 12.

[0033] Preferably, reinforcing beams 25 are provided on both sides of the seat cushion 2 and the backrest 3 and are fixed by screws to further improve the strength of the seat cushion 2 and the backrest 3.

[0034] As mentioned above, there is no any form of restriction on the present utility model. Although the present utility model has been disclosed above with preferred embodiments, it is not intended to limit the present utility model. Any person skilled in the art, without departing from the technical solution scope of the present utility model, may make some changes or modifications to the above-disclosed structure and technical content to form equivalent embodiments of equivalent changes. However, any simple modification, equivalent change and modification made to the above embodiments based on the technical essence of the present utility model without departing from the content of the technical solution of the present utility model still fall within the scope of the technical solution of the present utility model.

Claims

1. A child safety seat, comprising a base (1), a seat cushion (2) provided on the base (1), a backrest (3) integrally formed at the upper end of the seat cushion (2), and a headrest (4) provided at the upper end of the backrest (3), characterized in that: On both sides of the base (1), there are arc-shaped tracks (5). At both ends of the arc-shaped tracks (5), there are arc-shaped chutes (6), and at the lower end, there is an integrally bent mounting base plate (7). At both ends of the seat cushion (2), there are connecting rods (8) that are slidably engaged with the arc-shaped chutes (6). Between the arc-shaped tracks (5) corresponding to the front end of the seat cushion (2), there is a locking mechanism (9). The locking mechanism (9) includes a lock housing (10), a lock core (11) slidably disposed within the lock housing (10), and lock pins (12) telescopically disposed on both sides of the front end of the lock housing (10). At the front end of the lock core (11), there is a figure-eight groove (13). On the lock pins (12), there are positioning pins (14) that are slidably engaged with the figure-eight groove (13). Between the lock core (11) and the lock housing (10), there is a return spring (15). At the front end of the arc-shaped track (5), there is a set of lock holes (16) that cooperate with the lock pins (12).

2. The child safety seat according to claim 1, characterized in that: At the rear end of the arc-shaped track (5), there is a set of connection holes (17), and bolts (18) are connected to the connection holes (17).

3. The child safety seat according to claim 1, characterized in that: On the lock housing (10), there are connecting rod mounting holes (19). After the connecting rods (8) pass through the connecting rod mounting holes (19), both ends are connected to the seat cushion (2).

4. The child safety seat according to claim 1, characterized in that: On the arc-shaped chute (6), there is a sheath (20).

5. The child safety seat according to claim 1, characterized in that: At the front end of the lock core (11), there is a grip (21).

6. The child safety seat according to claim 1, characterized in that: At the rear end of the arc-shaped track (5), there is a reinforcing rib (22).

7. The child safety seat according to claim 1, characterized in that: The cross-section of the mounting base plate (7) is C-shaped.

8. The child safety seat according to claim 1, wherein: On the back surface of the backrest (3), there is an opening groove (23), and both ends of the connecting rod (8) are installed within the opening groove (23).

9. The child safety seat according to claim 1, characterized in that: On the lock housing (10), there is a lock pin chute (24) that cooperates with the lock pins (12).

10. The child safety seat according to claim 1, characterized in that: On both sides of the seat cushion (2) and the backrest (3), there are reinforcing beams (25).

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